ProShares UltraShort Bloomberg Crude Oil -2x Shares

SCOAMEX · USD
20.34USD+0.47 (+2.37%)

ProShares UltraShort Bloomberg Crude Oil -2x Shares (SCO) Historical Volatility

SCO 30-day historical volatility is 46%. This ranks in the 32th percentile of readings over the past year.

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Tracking SCO historical volatility helps you see how much ProShares UltraShort Bloomberg Crude Oil -2x Shares's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, ProShares UltraShort Bloomberg Crude Oil -2x Shares's HV tells you what really happened. Use our scanner to monitor SCO 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The SCO 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing ProShares UltraShort Bloomberg Crude Oil -2x Shares's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

ProShares UltraShort Bloomberg Crude Oil seeks daily investment results, before fees and expenses, that correspond to two times the inverse (-2x) of the daily performance of the Bloomberg Commodity Balanced WTI Crude Oil Index.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts ProShares UltraShort Bloomberg Crude Oil -2x Shares's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where SCO HV is running hot, cold, or in line. Make the SCO 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 24, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 24, 2026

See how volatility has moved over time

Track SCO historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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